Würzburg 2018 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 32: Neutrinophysik X
T 32.6: Vortrag
Dienstag, 20. März 2018, 17:50–18:05, Z6 - HS 0.002
Impact of energy response of liquid scintillator detector on JUNO Mass Hierarchy sensitivity — •Yaping Cheng1, Christoph Genster1,2, Philipp Kampmann1,2, Livia Ludhova1, Michaela Schever1,2, Rikhav Shah1, Achim Stahl2, Christopher Wiebusch2, and Yu Xu1,2 — 1IKP-2 Forschungszentrum Jülich — 2III. Physikalisches Institut B, RWTH Aachen University
The Jiangmen Underground Neutrino Observatory (JUNO) is a 20 kt liquid scintillator detector that will be located at Kaiping, Jiangmen city in South China. An energy resolution of 3% at 1 MeV is required to determine the neutrino mass hierarchy by spectral analysis. In this largest liquid scintillator detector, a good understanding of the position-dependence of the energy response is essential. The intrinsic non-linearity response of liquid scintillator, mainly originating from the quenching effect and Cherenkov light contribution, will cause distortion to the observed spectra. In this presentation, I will report my studies of non-linearity and non-uniformity’s impact on neutrino mass hierarchy sensitivity.